<template>
  <div>
    <div>我是儿子组件，用于测试依赖注入，即跨组件通信的</div>
    <div>在儿子组件中引入孙子组件：</div>
    <grandSon />
  </div>
</template>

<script setup>
  import grandSon from './grandSon.vue';

</script>

<style scoped></style>